Hardware Test Error

It could be heat or ram. At least that's what some have been told. Apple Care would tell you they have pages of these error codes, and that they don't know. When I got that error, they told me to exchange it since I was within the exchange period. But it is a hardware error, and you need to call to set up a repair. That code will also not appear every time you run the AHT. Some did get it to come up by getting the computer heated up by taxing it.

Yeah, you should do so. I also received the same AHT error and
apple support declared the book DOA (dead on arrival). They'll send me a
new one. I was told that the error has got something to do with a "thermal
unit". My book becomes pretty hot (all over!) even under normal use and none
of the fans ever ramp up (although they do if forced during the AHT), so I
guess it's a temperature sensor issue.

MacBookPro 1.83 GHz (soon) Mac OS X (10.4.5)

Just curious, what software did you use to check the temperature on your MBP?

I just did a hardware test and got this code:

ERROR: 4SNS/1/40000000 'TmOP'

Does anyone have any idea what is that supposed to
be..

Thanks for your help.

I just got the same error.

And what made me check it was the problem I had below did you get this problem first. I figured out how to do the hardware test but don't know if anyone else had this problem below.


Hi This is my first time posting a question regarding my MBP a couple of time's now I've left my computer on and the charger plugged in I've left it there and instead of stopping charging when it's full I think it's not sometimes I come back and the screen says warning shut down computer by holding down power button for 6 seconds. I unplug the charger it's super hot and the mac is past boiling point. I mean it runs hot sometime but when the problem has happened it's really hot. Also I never hear fans

1)Has this happend to anyone?
2)How do I do a hardware test?

Thank you.


MacBookPro Mac OS X (10.4.5) 1 gig ram, 7200 rpm hardrive, 2.0

You can get the temp gauge here:
http://www.bresink.com/osx/TemperatureMonitor.html

Get it from Widgets temperature moniter

Sounds like a kernel panic and an overheated unit. If you receive the TmOP
error during diagnostics call apple and return the thing. It's quite likely that
your temperature sensor which controls the fan is faulty. Mine is and apple
will fix it.

The error indicates a bad heat sensor. You should send it back to Apple and have them fix it. Search this forum for the error number and you'll find a couple of threads that relay what some of us who had the error did and how our Macbooks were fixed.

I got the same error when I first got my MBP. (2 wks ago)

I just ran it twice tonight and the hw test comes back clean now. I also added an extra gb of mem last week.

I might try the test again when the comp is cool...ive had my computer on all day.

It is a Hardware Error related to your Logic Board.

Mark

It is a Hardware Error related to your Logic Board.

Mark

Hi Mark,

Could be. Depends on what the error is in relation to.

Hi Surf,

I think you were the VERY first one in the world to have this error, weren't you?
When I had it, since I had just received it, they exchanged it.

Hi Peter

It is relation to the Logic Board. This is taken from Apple Sources for confidentiality reasons I cannot give any further information suffice to say the error code relates to the logic board and the user should hand over his MacBook Pro to Apple for further testing and replacement if he has the correct cover for his machine. They should at least be able to see the error themselves and run further more extensive tests.

Mark

Hi Mark,

Thanks, I was only meaning that the AHT also wil test ram, video, etc. Not jus the logic board?